Method of rendering volume representation of sonar images

a sonar image and volume representation technology, applied in the field of sonar imaging, can solve the problems of sparse and noisy sonar data returned as a three-dimensional matrix, and achieve the effect of improving image quality

Active Publication Date: 2011-11-15
CODA OCTOPUS GROUP
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Problems solved by technology

Sonar data is typically returned as a very sparse and very noisy three dimensional matrix.

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  • Method of rendering volume representation of sonar images
  • Method of rendering volume representation of sonar images
  • Method of rendering volume representation of sonar images

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[0013]It has long been known that data presented in visual form is much better understood by humans than data presented in the form of tables, charts, text, etc. However, even data presented visually as bar graphs, line graphs, maps, or topographic maps requires experience and training to interpret them. Humans can, however, immediately recognize and understand patterns in visual images which would be impossible for even the best and fastest computers to pick out. Much effort has thus been spent in turning data into images.

[0014]In particular, images which are generated from data which are not related to light are difficult to produce. One such type of data is sonar data, wherein a sound waves are sent out from a generator into a volume of fluid, and the reflected sound energy from objects in the ensonified volume is recorded by a multielement detector. The term “ensonified volume” is known to one of skill in the art and is defined herein as being a volume of fluid through which sou...

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Abstract

Sonar imaging data is reduced by assigning partially reflective and / or opaque two dimensional areas for each data point to a series of planes. The reflectivity and / or transmission of light from the areas is calculated and used to construct an image.

Description

RELATED PATENTS AND APPLICATIONS[0001]U.S. Pat. No. 6,438,071, issued to Hansen, et al. on Aug. 20, 2002, and entitled “Method for producing a 3D image”; U.S. Pat. No. 7,466,628, issued to Hansen on Dec. 16, 2008; U.S. Pat. No. 7,489,592, issued to Hansen on Feb. 10, 2009; US Patent Publication 20080302115 by Eknes; Erik; et al. filed 8 Jun. 2007 and published Dec. 11, 2008; are related to the present application. The above identified patents, patent publications, and patent applications are assigned to the assignee of the present invention and are incorporated herein by reference in their entirety including incorporated material.BACKGROUND OF THE INVENTIONField of the Invention[0002]The field of the invention is the field of sonar imaging.OBJECTS OF THE INVENTION[0003]It is an object of the invention to produce a method of treating sonar data returned to an array sonar detector to improve image quality.SUMMARY OF THE INVENTION[0004]Sonar data is typically returned as a very sparse ...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): G01S15/88
CPCG01S15/89G06T15/08G01S7/6245
Inventor SLOSS, MARTYN
Owner CODA OCTOPUS GROUP
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